Unwinding device



FIG. 1 is a top plan view of an unwinding device incorporating my design;

FIG. 2 is a front, right side perspective view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a rear, left side perspective view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is a rear view thereof. 

The ornamental design for an “unwinding device”, as shown and described. 